Mercola, J. (2021). Upgrade your immunity with herbs: Herbal tonics, broths, brews, and elixirs to supercharge your immune system.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रMercola, Joseph. Upgrade Your Immunity with Herbs: Herbal Tonics, Broths, Brews, and Elixirs to Supercharge Your Immune System. 2021.
एमएलए (8वां संस्करण) प्रशस्ति पत्रMercola, Joseph. Upgrade Your Immunity with Herbs: Herbal Tonics, Broths, Brews, and Elixirs to Supercharge Your Immune System. 2021.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.